Yeast ear infections (otitis externa caused by Malassezia pachydermatis) are the most common type of ear infection in dogs, and choosing an antifungal ear product that matches the problem matters. Not all ear drops and cleaners have the same antifungal potency, and the active ingredient matters more than the brand name. This guide describes common ear products used for canine ear yeast infections by their antifungal ingredients and how they are used. It does not rank them.
Disclosure: Vetified makes Ear Infection Relief + Cleaner and Dog Ear Cleaning Wipes, which appear on this page, so keep that in mind as you read.
Products for this topic
Vetified makes these products.
Ear Infection Relief + Cleaner
0.2% ketoconazole + 0.2% chlorhexidine, 12 fl oz. Ear cleaner and medicated flush formulated to help with yeast and bacteria. Use as directed on the label.
View Ear Infection Relief + CleanerDog Ear Cleaning Wipes
Non-medicated aloe vera wipes for routine cleaning of wax and debris from the outer ear.
View Dog Ear Cleaning WipesWhat we see from our customers
We looked at the Amazon searches that led shoppers to our ear cleaner over the last 90 days. Searches such as "antifungal ear drops for dogs" were a common way shoppers found it. Searches naming both problems at once, like "dog ear cleaner yeast and bacteria", were among our most common routes to a purchase. Our takeaway: owners dealing with smelly ears often already suspect yeast, and many suspect bacteria too, which matches how often chronic ear cases turn out to be mixed.
Source: Vetified Amazon Search Query Performance data, July 23 to October 20, 2026. Vetified makes the products mentioned.
A note from E. Maddens
When I adopted Lily, my Stafford, from a shelter in Pasadena, her ears were very dirty and often itchy. That is a big part of why ear care matters so much to me, and why I know how frustrating it is when your dog keeps scratching at their ears.
Why Antifungal Ingredients Matter for Yeast Infections
Malassezia yeast is a fungal organism, not a bacterium. This means antibacterial-only products (even strong ones) will not resolve a yeast infection. The dark brown, waxy discharge and musty odor characteristic of yeast infections require antifungal treatment. The most common antifungal ingredients in dog ear products are ketoconazole, miconazole, clotrimazole (prescription), and posaconazole (prescription). Ketoconazole is common in OTC ear products because published research shows strong activity against Malassezia species.
TrizULTRA + Keto Flush
TrizULTRA + Keto lists ketoconazole with TrizEDTA on its label. Ask your vet whether it fits your dog.
Enzymatic Option: Zymox with Hydrocortisone
Zymox with Hydrocortisone is an enzymatic ear product that lists hydrocortisone on its label. Ask your vet whether it fits your dog.
Curaseb Ear Flush
Curaseb (by Bexley Labs) lists chlorhexidine and ketoconazole on its label and also contains aloe vera. Ask your vet whether it fits your dog.
Vetified Ear Infection Relief + Cleaner
Vetified makes this product.
Vetified Ear Infection Relief + Cleaner contains 0.2% ketoconazole + 0.2% chlorhexidine in a 12 fl oz bottle. In published research, ketoconazole inhibits Malassezia growth and chlorhexidine acts against a broad range of bacteria. That pairing is relevant because yeast ear infections frequently coexist with bacterial overgrowth. It is labeled as an ear cleaner and medicated flush in one, so it is also used to flush out waxy debris. It is an OTC veterinary drug listed on DailyMed (not FDA approved). Use as directed on the label.
Who it is for: owners whose veterinarian has checked the ears and who want an ear cleaner and medicated flush in one bottle. Ask your vet whether it fits your dog.
What to Avoid for Yeast Infections
Avoid ear products that contain only antibacterial ingredients without antifungal components. Products marketed as "ear cleaners" without any active antimicrobial agents (basic saline solutions, simple drying agents) will not treat an active yeast infection. Also avoid hydrogen peroxide, vinegar, and rubbing alcohol, which are common ear cleaning mistakes that irritate the ear canal and can worsen yeast overgrowth by disrupting the natural skin barrier.
How to Treat a Dog Ear Yeast Infection at Home
A mild yeast ear infection with dark brown waxy discharge and a musty smell is often cared for at home with an antifungal ear product, ideally after your vet has confirmed it is yeast. If the ear is very painful, bleeding, producing yellow or green pus, or your dog has a head tilt, see your veterinarian first so the eardrum can be checked.
- Confirm the signs. Yeast typically causes brown, greasy wax, a musty odor and itching. Pain, pus or a bad bacterial smell call for a veterinary exam.
- Clean before treating. Use an antifungal ear cleaner as directed on the label, gently massage the base of the ear, and let your dog shake. Medication works poorly on top of thick wax.
- Wipe away debris. Use cotton balls or gauze on the outer ear only. Do not use cotton swabs inside the canal.
- Treat consistently. Use the product as directed on the label for the full course your vet advises, rather than stopping once the smell fades.
- Keep the ears dry. Dry the ears after baths and swimming, since moisture helps yeast regrow.
- Track progress and follow up. With consistent care, a mild yeast ear infection typically starts to improve within one to two weeks. If it does not improve, keeps coming back, or gets worse, see your veterinarian for ear cytology and a check for underlying allergies.
Frequently Asked Questions
How long does it take for antifungal ear drops to work on yeast infections?
Full resolution typically takes 7 to 14 days. If discharge or odor has not improved after 5 to 7 days, see your veterinarian, as the infection may require prescription treatment or may not actually be yeast-related.
Can I use human antifungal cream in my dog's ears?
Do not use human antifungal products in your dog's ears unless your vet tells you to. These products are not formulated for the ear canal, may contain ingredients that are ototoxic, and the delivery vehicle (cream vs liquid) is not appropriate for the ear canal environment.
Why does my dog's yeast infection keep coming back after treatment?
Recurring yeast infections almost always indicate an underlying cause, most commonly allergies (environmental or food). The yeast infection is a symptom, not the primary problem. Addressing the underlying allergy through diet changes or allergy management is essential to prevent recurrence.
Is ketoconazole or miconazole better for dog ear yeast infections?
Both are effective azole antifungals. Ketoconazole tends to have slightly broader antifungal activity and longer skin contact time, making it a common choice for ear products. Miconazole is also effective and is the antifungal found in many prescription ear medications. The difference in clinical outcomes is generally small.
Product names mentioned in this article are trademarks of their respective owners. Vetified is not affiliated with or endorsed by them. Product details are based on publicly available labels and may change, so check the current label.
References
- Bajwa J. Canine otitis externa: treatment and complications. Canadian Veterinary Journal. 2019;60(1):97 to 99. PubMed
- Nuttall T. Managing recurrent otitis externa in dogs: what have we learned and what can we do better? Journal of the American Veterinary Medical Association. 2023. PubMed
- Swinney A, Fazakerley J, McEwan N, Nuttall T. Comparative in vitro antimicrobial efficacy of commercial ear cleaners. Veterinary Dermatology. 2008;19(6):373 to 379. PubMed
- Paterson S. Topical ear treatment: options, indications and limitations of current therapy. Journal of Small Animal Practice. 2016;57(12):668 to 678. PubMed
What changed: October 21, 2026: added our customer data, a references list and an ownership note next to the products.
Vetified Product Mentioned in This Article
Vetified makes this product.
Vetified Ear Infection Relief + Cleaner is a medicated ear cleaning solution that combines chlorhexidine and ketoconazole. It is an OTC veterinary drug listed on DailyMed (not FDA approved). Use as directed on the label.
Related Articles
Medical disclaimer: This article is for informational purposes only and does not constitute veterinary medical advice. Always consult a licensed veterinarian for diagnosis and treatment of your pet's health conditions. While we work to keep this information accurate and up to date, we can't guarantee it is complete or error free.
Research basis: All Vetified content references peer reviewed research published in journals including Veterinary Dermatology, JAVMA, and Journal of Small Animal Practice.